Finding the Fourth Proportional to 52,787.02, 72,846.69 and 30,129.07

Step by Step Solution

1. Step 1: Write the proportion equation
   52,787.02 : 72,846.69 = 30,129.07 : x
2. Step 2: Convert to fraction form
   52,787.02/72,846.69 = 30,129.07/x
3. Step 3: Cross multiply
   52,787.02x = 72,846.69 × 30,129.07
4. Step 4: Simplify right side
   52,787.02x = 2,194,803,022.28
5. Step 5: Solve for x
   x = 2,194,803,022.28/52,787.02
6. Step 6: Final answer
   x = 41,578.46